/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.iotdb.tsfile.read.filter.factory;

import org.apache.iotdb.tsfile.read.filter.GroupByFilter;
import org.apache.iotdb.tsfile.read.filter.GroupByMonthFilter;
import org.apache.iotdb.tsfile.read.filter.basic.Filter;
import org.apache.iotdb.tsfile.read.filter.operator.*;

import java.nio.ByteBuffer;

public class FilterFactory {

    public static AndFilter and(Filter left, Filter right) {
        return new AndFilter(left, right);
    }

    public static OrFilter or(Filter left, Filter right) {
        return new OrFilter(left, right);
    }

    public static NotFilter not(Filter filter) {
        return new NotFilter(filter);
    }

    public static Filter deserialize(ByteBuffer buffer) {
        FilterSerializeId id = FilterSerializeId.values()[buffer.get()];

        Filter filter;
        switch (id) {
            case EQ:
                filter = new Eq<>();
                break;
            case GT:
                filter = new Gt<>();
                break;
            case LT:
                filter = new Lt<>();
                break;
            case OR:
                filter = new OrFilter();
                break;
            case AND:
                filter = new AndFilter();
                break;
            case NEQ:
                filter = new NotEq<>();
                break;
            case NOT:
                filter = new NotFilter();
                break;
            case GTEQ:
                filter = new GtEq<>();
                break;
            case LTEQ:
                filter = new LtEq<>();
                break;
            case BETWEEN:
                filter = new Between<>();
                break;
            case IN:
                filter = new In<>();
                break;
            case GROUP_BY:
                filter = new GroupByFilter();
                break;
            case GROUP_BY_MONTH:
                filter = new GroupByMonthFilter();
                break;
            case REGEXP:
                filter = new Regexp<>();
                break;
            default:
                throw new UnsupportedOperationException("Unknown filter type " + id);
        }
        filter.deserialize(buffer);
        return filter;
    }
}
